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Electric vehicles have never been more popular. Just about every automaker is in the midst of an electrification effort, spurred on by impending government regulations around the world aimed at reducing our dependency on fossil fuels. But is the movement having an effect? Here in the US, plug-in vehicles are selling better than ever, despite supply chain shortages and frequent hefty dealership markups.

According to Argonne National Lab , between 2010 and the end of 2021, the US had bought more than 2.1 million plug-in vehicles, including 1.3 million battery EVs. That sounds like a very impressive number, but bear in mind that's out of a total national vehicle pool of nearly 276 million cars and trucks . Argonne estimates that despite all these plug-ins, national gasoline consumption was reduced by just 0.54 percent in 2021.

In total, Argonne calculates that US plug-in vehicles have driven nearly 70 billion miles since 2010, consuming 22 TWh of energy in the process. That's displaced the use of more than 2.5 billion gallons of gasoline and 19 million tons of greenhouse gases, Argonne reports, although for context, the US consumed about 369 million gallons of gasoline a day in 2021. For 2021 specifically, plug-in vehicles saved about 690 million gallons of gasoline—about two days of consumption—and reduced CO ₂ emissions by 5.4 million metric tons, consuming 6.1 TWh in the process.

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The days of the new internal combustion engine are definitely numbered—at least in the European Union. On Thursday the European Council and the European Parliament agreed on provisional rules to heavily reduce passenger vehicle carbon emissions in 2030 before enacting a complete ban on internal combustion engines for new passenger cars and vans in 2035.

"This agreement will pave the way for the modern and competitive automotive industry in the EU. The world is changing, and we must remain at the forefront of innovation. I believe we can take advantage of this technological transition. The envisaged timeline also makes the goals achievable for car manufacturers," said Jozef Síkela, Czech minister of industry and trade. (The Czech Republic currently holds the EU presidency.)

The EU is already home to some of the world's stricter emissions regulations. Under the current regulations, automakers must meet a fleetwide average of 95 g CO ₂ /100 km ; fail to do so and they're fined €95 for each gram of CO ₂ /km over that limit for every vehicle they've sold in a given year. But much tougher limits are on the way as the EU tries to reduce its carbon emissions by 55 percent by 2030 compared to 1990.